 You have a lot of calcium in this one of the four main arteries, just one. And by the way, this artery is not the big one that causes heart attacks. Left anterior descending is known as the widow maker. I want you to remember this. The left anterior descending is known as the widow maker. Meaning if you get clogged left anterior descending, it can make that person die and their spouse is now a widow. It's making my spouse a widow.